Section 1 specifications – Hach-Lange SIGMA SD900 Refrigerated Sampler and All Weather Refrigerated Sampler User Manual User Manual
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Section 1
Specifications
Specifications are subject to change without notice.
Refrigerated Sampler
Height: 112 cm (44 in.)
Width: 61 cm (24 in.)
Depth: 61 cm (24 in.)
Weight: 63.3 kg (140 lb)
Refrigerator power requirements
(includes 1/6 HP compressor)
115 VAC, 60 Hz, 3.3 A (18 locked rotor amps)
230 VAC, 50 Hz, 1.7 A (9 locked rotor amps)
Controller power requirements
115 VAC, 60 Hz, 42 W
230 VAC, 50 Hz, 42 W
Overload protection
Refrigerator: Thermal overload relay, opens at 100–110 °C
Refrigeration system
450 BTU/hr., 120 CFM condenser fan, 3 sided wrap-around plate type
evaporator, rigid foam insulation, air sensing thermostat capable of maintaining
sample liquid at 4 °C (39 °F) in ambient temperatures up to 50 °C (120 °F);
accurate to 0.8 °C (±1.5 °F); magnetic door seal; standard refrigerator cabinet is
22 gauge steel with beige vinyl laminate over-coating (304 stainless steel cabinet
optional); refrigeration components and copper plumbing are corrosion protected
with phenolic resin conformal coating.
Operating environment
Operating temperature 0–50 °C (32–122 °F). Humidity 0–95%. RH installation
and pollution degree (II, 2). Altitude 2000 m maximum.
All Weather Refrigerated Sampler (AWRS)
Height: (lid closed) 130 cm (51 in.)
Height: (lid open) 180 cm (71 in.)
Width: 76 cm (30 in.)
Depth: 81 cm (32 in.)
Weight: 86 kg (190 lb)
Power requirements
(includes 1/5 HP compressor)
115VAC, 60Hz, 4.2A or 6.4A with optional controller compartment heater
230VAC, 50Hz, 2.7A or 4.1A with optional controller compartment heater.
Overload protection
115 VAC models: 7.5A circuit breaker
230 VAC models: 5.0A circuit breaker
Compressor characteristics
115 VAC models: 115°C thermal overload protector, 7.1 locked rotor amps
230 VAC models: 120ºC thermal overload protector, 7.6A peak start current.
Thermal system
Top mounted compressor/condenser with fan forced air cooled condenser; 3
sided wrap-around evaporator plate; rigid foam insulation; microprocessor
controlled thermostat maintains sample liquid at 4 °C (±1 °C)*; frost free;
compression gasket door seal; air cooled condenser is protected against
corrosion with a food grade epoxy; all exposed copper tubing is insulated to avoid
sweating and condensation.
Cabinet
Low density polyethylene with UV inhibitor. Cabinet enclosure rated IP24.
Operating environment
•
As is: 0 to 50 °C (32 to 122 °F)
•
With AC battery backup: 0 ºC to 40 ºC (32 ºF to 104 ºF)
•
With optional controller compartment heater: -40 to 50 °C
(-40 to 122 °F)
•
With controller compartment heater and AC battery backup: -15 ºC to
40 ºC (5 ºF to 104 ºF)
Humidity 0 to 95%. RH installation and pollution degree (II, 2). Altitude 2000 m
maximum.